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Participation in the Analysis of the Far-Infrared/Submillimeter InterferometerWe have contributed to the development of the Submillimeter Probe of the Evolution of Cosmic Structure (SPECS) by analyzing various aspects related to the tethers that connect the spacecraft of this space interferometer. We have focused our analysis on key topics as follows: (a) helping in the configuration selection; (b) computing the system eigenfrequencies as a function of baseline length; (c) developing techniques and conceptual design of devices for damping the tether oscillations; (d) carrying out numerical simulations of tethered formation to assess the effects of environmental perturbations upon the baseline length variation; (e) devising control laws for fast retargeting of the interferometer at moderate baseline lengths; (f) estimating the survivability to micrometeoroid impacts of a tether at L2; and (g) developing a conceptual design of a high-strength and survivable tether.
Document ID
20050192425
Acquisition Source
Headquarters
Document Type
Contractor or Grantee Report
Authors
Lorenzini, Enrico C. (Smithsonian Astrophysical Observatory Cambridge, MA, United States)
Bombardelli, Claudio (Smithsonian Astrophysical Observatory Cambridge, MA, United States)
Date Acquired
September 7, 2013
Publication Date
July 1, 2005
Subject Category
Astrophysics
Funding Number(s)
CONTRACT_GRANT: NNG04GQ21G
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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